Rose pollen is large and sticky in comparison to grass pollen as it has to stick to insects to cross pollenate! Grass pollen is produced in larger quantitys and is smaller and lighter than rose pollen because grass pollen is dispersed by wind!
Initiation, elongation, and termination.
The answer is A. it belongs to a different family.
It can't be B because all the plants have different species.
It can't be C because not all plants listed are cherry trees.
Hope this helps :)
It's probably c most likely